.main {
    margin-top: 45px;
    text-align: center;
    /* font-weight: 600; */
    color: white;
}

/* 温度字体 */
.main :first-child {
    font-size: 100px;
}

/* 文字字体 */
.main :last-child {
    margin-top: 0;
    font-size: 44px;
    color: #6495ED;
}
/* 搜索栏 */
.search{
    float: right;
    margin-right: 20px;
}
input{
    float: left;
    margin-top: 3px;
    height: 15px;
}

.board{
    height: 400px;
    width: 600px;
    margin: 40px auto;
    border: 1px solid rebeccapurple;
}

.fro {
    margin-top: 90px;
    height: auto;
    display: flex;
    justify-content: space-around;
}

.fro div {
    height: 200px;
    border: 1px solid black;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.fro div:hover {
    transform: scale(1.05);
    box-shadow: 7px 7px 10px grey;
}

/* 卡片文字 */
.fro div li {
    margin-top: 25px;
    margin-left: -10%;
}